package com.cyrilmottier.android.gdcatalog.util;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.FileEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import com.cyrilmottier.android.gdcatalog.io.IOUtils;

import android.util.Log;

public class UploadUtil {

	private static final String TAG = UploadUtil.class.toString();
	private static final int TIME_OUT = 10 * 1000; // 超时时间
	private static final String CHARSET = "utf-8"; // 设置编码

	public static boolean post2Server(String url, File[] files) throws ClientProtocolException, IOException {
		Log.d(TAG, "开始向服务器提交数据 ....");
		HttpClient client = new DefaultHttpClient();
		HttpPost httpPost = new HttpPost(url);
		HttpResponse response = null;
		for (File file : files) {
			try {
				Log.d(TAG, "\t正在上传 "+ file.getAbsolutePath() + "文件 ... ");
				FileEntity entity = new FileEntity(file, "binary/octet-stream");
				httpPost.setEntity(entity);
			} catch (Exception e) {
				Log.e(TAG, "上传文件出现错误 ... ", e);
			} finally {
			}
		}
		List<NameValuePair> nvps = new ArrayList<NameValuePair>();
		nvps.add(new BasicNameValuePair("lat", "78"));
		nvps.add(new BasicNameValuePair("lng", "12"));
		nvps.add(new BasicNameValuePair("time", "78"));
		httpPost.setEntity(new UrlEncodedFormEntity(nvps, "utf-8"));
		Log.d(TAG, "\t开始上传 ");
		response = client.execute(httpPost);
		Log.d(TAG, "\t " + response.getStatusLine());
		String restr = IOUtils.toString(response.getEntity().getContent());
		Log.i(TAG, restr);

		return true;
	}

	/**
	 * android上传文件到服务器
	 * 
	 * @param file
	 *            需要上传的文件
	 * @param RequestURL
	 *            请求的rul
	 * @return 返回响应的内容
	 */
	public static String uploadFile(File file, String RequestURL) {
		String result = null;
		String BOUNDARY = UUID.randomUUID().toString(); // 边界标识 随机生成
		String PREFIX = "--", LINE_END = "\r\n";
		String CONTENT_TYPE = "multipart/form-data"; // 内容类型
		try {
			URL url = new URL(RequestURL);
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setReadTimeout(TIME_OUT);
			conn.setConnectTimeout(TIME_OUT);
			conn.setDoInput(true); // 允许输入流
			conn.setDoOutput(true); // 允许输出流
			conn.setUseCaches(false); // 不允许使用缓存
			conn.setRequestMethod("POST"); // 请求方式
			conn.setRequestProperty("Charset", CHARSET); // 设置编码
			conn.setRequestProperty("connection", "keep-alive");
			conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY);

			if (file != null) {
				/**
				 * 当文件不为空，把文件包装并且上传
				 */
				DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
				StringBuffer sb = new StringBuffer();
				sb.append(PREFIX);
				sb.append(BOUNDARY);
				sb.append(LINE_END);
				/**
				 * 这里重点注意： name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件
				 * filename是文件的名字，包含后缀名的 比如:abc.png
				 */

				sb.append("Content-Disposition: form-data; name=\"upfile\"; filename=\"" + file.getName() + "\"" + LINE_END);
				sb.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINE_END);
				sb.append(LINE_END);
				dos.write(sb.toString().getBytes());
				InputStream is = new FileInputStream(file);
				byte[] bytes = new byte[1024];
				int len = 0;
				while ((len = is.read(bytes)) != -1) {
					dos.write(bytes, 0, len);
				}
				is.close();
				dos.write(LINE_END.getBytes());
				byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes();
				dos.write(end_data);
				dos.flush();
				/**
				 * 获取响应码 200=成功 当响应成功，获取响应的流
				 */
				int res = conn.getResponseCode();
				Log.e(TAG, "response code:" + res);
				// if(res==200)
				// {
				Log.e(TAG, "request success");
				InputStream input = conn.getInputStream();
				StringBuffer sb1 = new StringBuffer();
				int ss;
				while ((ss = input.read()) != -1) {
					sb1.append((char) ss);
				}
				result = sb1.toString();
				Log.e(TAG, "result : " + result);
				// }
				// else{
				// Log.e(TAG, "request error");
				// }
			}
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return result;
	}

}
